Double-thrust bearing.



'Pamnted May 15, 1917.

siiissiiR 3 7 I mer ts in Double-Thrust Bearings,

cy indrical seat and having means to pre-- til i UNITED s g g PATENT OFFICE.

3 I s. noclrwooia, OI'NEWARK, NEW .rEnsEY', assmlvon ro HYA'M 301.133.

(BEARING. oour'anr, or HARRISON,

To all whom it may concern:

,1 ;Be it known that I, CHARLES S. Looxwoon, acitizen of the United States, residing at 'l 496 Clinton avenue, Newark, county of and State of New Jersey, have incertain new and useful Improve- -fully"de- {scribed "and represented in the following specification and the accompanying drawin forming a part of the same.

hisirivention relates to a roller bearing in which the hub and easing have each a cy- Q1 (liiioal. seat for cylindrical rolls and a tapering seat for rolling members which roll 'infcontact; withthe ends of the cylindrical rolls, and the invention provides means for constructing such a bearin thrust in both directions, with special constructivefeatures to facilitate the assembling of the parts and guiding the rolls steadily in, their rotations.

"Tie construction embodying this inven- "tion' embraces broadly a'hiIb having a cylindricail seat'with conical seats connected to its "jo'p osite ends, cylindrical rolls fitted to the vente fve nt longitudinal movement of those rolls, "rollingmembers bearing upon the conical sen-and rolling in contact with the opposite ends of the cylindrical rolls, and a' casing having cylindrical and conical seats fitted to lthe outer sides of the rolls. and bearing members. o i The cylindrical rolls are prevented from flonjgitudinal movement by forming a groove "upon-"the body of each intermediate t9 its W ds, and providing the hub or casing with 11m 1 *holdstherolls from longitudinal movement 4 0 upon their cylindrical seats; v To assemble the rolling members within the twoennularsections ach having one of the taperingseatsand capable of being slipped ov'er the rolling members when-they are assembled upon thehub within the cage, such 's'cction s being then bound together permanently by ms 11 fitted to the exterior of the lg cticns, andhaving' its endsspun or turned 501idownzovertheouter ends of the sections. g i lThe', invention will be understood ,by ref- :ggm :to the annexed. drawing, which .13; 1 n: 1 2:1

DOUBLE-T331751 BEARING.

Specification of Setters Patent.

- Application filed lfovcmber 14, 1916. Serial No. 181,217:

to resist endannular rib engaging such groove which casing'itis preferably divided into at least NEW JERSEY, CORPORATION OF NEW Patented Figure 1 is a transverse section on line 1'-1 2 1s a longitudinal sectlon on 1n, Fig. 2; Fig.

pine 2-2 in-Fig. 1; with the'entire casing in section ,'where the line intersects the same.

-Fig. 3 IS a section similar to Fig. 2, with balls employed as rolling members upon the and the. rolls and balls not in f conical seats, section. Fig. "4 is an elid view, and Fig. 5 an edge view of one of the end sections of the casing. Fig. 6 is an end- View, and Fig. an edge View of the center section of the casing. Fig. 8 is an end view, and Fig. 9 an edge view of one'of the cage-heads. Fig. 10 is a'plan, and Fig. 11 a sideview of the cage.

In Figs. 1 and 2, the huba is provided with a central cylindrical seat 6 with conical seats 0 connected to its opposite ends. The

cylindrical rolls'd are formed with a groove 6 at the middle of the length and the casing is formed with an annular, rib-section f adapted to fit the. groove 3 in each of the rolls. i

The rolling seats are shown'as flat inner ends contactingwith conical sur faces upon theends of the cylindricalrolls', thus forming a purely rollingcontact.

I The casinjgis formed of annular sections to facilitate the assembling of the rollstd-and rolling members 9 between the seats on the hub and easing. 1 1

In Fig. 2, a casing-section Z is-shown at each side of the annular rib' f, each ofsuch side-sections having a tapering seat 'L? to resist the end thrust on the rolling members.

The outer corners of the side-sections are rabbeted, and a shell m has its opposite ends spun or bent into therabbets after the hearare and the rolling members-could "them at the outer en as I such largest diameter of the rolling members.- 3

space is less than the May '15, 1917.-

one of the tie-bars of embers upon the conical tapering rolls 9 having -1I1g is assembled, to lock the sections firmly f 5 the outer end of thebe inserted .between the Hub The'c'age is formed headsk ted to thdhead His 1 arsfiizb guide-Med?) .s Ml; (it: mimic; liz' wings j to embrace the outer sides of the rolls, as shown in Fig. l, to guide them in their movements arid to hold them in place when assembled upon the hub.

To readily form such tie-bars with wings, they are made of sheetmetal cut and stamped to the desired form, and provided at each end with a tenon 7a which fits one of the mortises Ki in the heads.

To make alight cage, the heads aretorined of thin sheet-metal and stamped to form lateral stiit'eniiig l'langes 7: upon its ed es.

he outer flange of each head is notched in a line with the mortises 7.", aml the ten ons'k are made long enough to bend over .upon the outer sides of the heads into the notches 71 thus holding the heads securely upon the tcnons; while the fitting of the tenons to the notches prevents the tie-bars from tipping or twisting in the niortiscs.

The construction of this roller bearing is designed to lock the parts permanently tohub. which l'ttlllllth' merely an ttlllHIS, as ali'rady described; serves. liynicans of the wings to hold all pared by connecting the tie-bars to one of the licads'oiily, aml it is then placed within the annular rib f, and the rolls (Z and one set of the rolliIig-nienihers' y/ are inserted successively from the inner side of the cage .bc

tween the wings j, thc groove in each roll I,

being'tittcd to the rib 'llr hub can then be inserted within the rolls already adjusted. and the other set o'l,

rolling members 1/ introduced into the open end of the rage by slightly bending the tree ends of the tic-bars outwardly.

After the introduction of these rolling members. the remaining rage-head is applied to the .t'icrbai's and secured bv bending the llie rage then of the rolls and rolling members upon the to complete the llttll'lllir "lhei casing-sect ions l are then applied over opposite ends of the hub. and the shell m titted over the casing-scrtions. and its ends spll'n into the. rabbcts upon the section-cor- I ners.

One end ol the shell may be 'spun or flanged inwardly in advance. so that only the remaining endneeds-to be spim into the rabbet after the bearing is all assembled. l

.'-rolls.

'The"coiistri i'tion ot" Fig. 3' dill'ci's'iioni that already described, in the use of balls instcai'l ol tapering rolls for the. rolling ll)tl lll')0l'S at opposite ends ol" the cylindrical 'llic oi'ici'ation' lS HlSt the same with the balls.

The bearing ditl'ers-also in having an anouter casing nular rib 1' upon the hub instead of upon the casin thus enabling the casing to .be formed 0 two parts only, markedl The method of assembling the parts is, for this construction, similar to that already described, v

As the rib f'is upon the hub itc an only be inserted within the rolls previously inserted in the cage, by springing the tic-bars i of the cage outwardly to crowd the rolls over the rib f as the hub is insertedf \Vhen the hub is in place, the final rolliiig members 5 are inserted in the open end of the cage, and the head It is then secured upon theends .(lftlle tie-bars, as shown at one side of Fig. 3.

\Vith either construction, the application of the using-sections l or Z and the fitting of the shell in, over the samesecures all the parts of the bearing permanently in their working position.

The bearing is well adapted to resist lateral and end strain, and all its parts are of cheap construction. and with hardened rolls,

such as are commonly used, the bearing is very durable and etlicient.

Having thus set forth the nature of'the' invention what is claimed herein is:

1. In a double thrust roller bearing, the combination, vith'a hub having acylindriral Stlt with conical seats connected to its opposite ends, of cylindrical rolls fitted to the cylindrical seat and having means to prevent longitudinal movement of these rolls, rolling members bearing upon the conical seats and contacting with the opposite ends of the cylindrical rolls, and a Gasii'i'g having cylindrical' and conical seats fitted to the outer sides ot-the rolls and the rolling members. 5

Iii-a doublethrust roller bearing, the combination, with a hub liiivinga cylindrical seat with conical seats connected to its opposite ends, of cylindrical rolls fitted to the cylindrical seat and havingine'ans to prevent longitudinal moven'ient of these rolls. rolling members bearing upon theconical seats and contacting with the opposi-teiends ottlie cylindrical-rolls, and aces mg haring two annularsections with their outer portionstittcd to the tapering rolls and their inner portions fitted tothe opposite end portions of the cylindrical rolls, to

facilitate the assembling of the rollswitli tl'iehub and casing.

3. In a double thrust roller bearing, the combination, with a hub having a cylindriral seat with conical seats connected to r \"lindrical rolls. and a casing having a. mid

dle section formed to engage the groove in its opposite ends, of cylindrical rolls fitted to the cylindrical su t and having eacha tain all the to the cylindrical each cylindrical roll, and having two outer sections fitted to opposite sides of the middle section and furnished with seats to bear upon the cylindrical roll and upon the tapering rolls. v 1

4. In a double thrust roller bearing, the combination, with a hub having a cylindrical seat with conical seats connected to its opposite ends, of'cylindrical rolls fitted to the cylindrical seat and having means to .prevent longitudinal movement of these rolls, rolling members bearing upon the conical seats and contacting With the opposite ends of the cylindrical rolls, a casing formed in annular sections fitted tothe outer sides of the rolls and rolling members,

and a shell embracing the exterior of the overlapped upon its ends to re casing and parts in their Working relation.

5. In a double thrust roller bearing, the combination, drical seat with conical seats connected to its opposite ends, of cylindrical rolls fitted seat, rolling members bearing upon the conical seats and contactwith the opposite ends of the cylindrlcal rolls, a casing fitted to the exteriors of the rolls and rollingmembers, and the cylindrical rollsphavingi each a groove intermediate to its ends and means projected from at least one of the bearing seats of therolls for engaging the groove in' each rolland preventing longitudinal movement.

6.'In a double thrust roller bearing, the combination, with a hub having a cylin- -to the r :ylindrical with a hub having a cylin-- drical seat with conical seats connected to its opposite ends, of cylindrical rolls fitted to the cylindrical seat and having means to prevent longitudinal movement of these rolls, rolling members bearing upon the conical seats and contacting with the opposlte ends of the cylindrical rolls, a casing fitted to the exteriors of the rolls and rolling members, cage-heads fitted to the outer sides of the rolling-members, and sheetmetal bars having their ends secured in the heads and their edges bent into wings embracing the opposite sides of the rolls to retain them upon Within the casing.

7. In-a double thrust roller bearing, the combination, with a hub having a cylilr drical seat with conical seats connec ed to its opposite ends, of cylindrical rolls fitted seat and having means to iii-event longitudinal movement of these rol s, rolling members bearing upon the conical seats and crmtacting with site ends of the cylindrical rolls, a casing fitted to the exteriors of the rolls and rolling members, annular cage-heads having each a notched flange at its outer edge and the oppomortises in line with'such notches, and tiebars. havin tenons extendiw threu h the mortises and bent into the said notches and provided with wings titted to the opposite sides of the rolls.

the hub and guide them In testimony whereof I have hereunto set my hand.

CHARLES S. LOCKWOOD. 

